Finding the Fourth Proportional to 896,990,592.90, 1,345,485,889.35 and 655,125,888.90
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Solution
The fourth proportional to 896,990,592.90, 1,345,485,889.35 and 655,125,888.90 is: 982,688,833.35
Step by Step Solution
- Step 1: Write the proportion equation
896,990,592.90 : 1,345,485,889.35 = 655,125,888.90 : x - Step 2: Convert to fraction form
896,990,592.90/1,345,485,889.35 = 655,125,888.90/x - Step 3: Cross multiply
896,990,592.90x = 1,345,485,889.35 × 655,125,888.90 - Step 4: Simplify right side
896,990,592.90x = 881,462,639,262,825,728 - Step 5: Solve for x
x = 881,462,639,262,825,728/896,990,592.90 - Step 6: Final answer
x = 982,688,833.35
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.